<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style>
    body{
       background-color:#b3b3b3;
    }
    div{
       width:400px;
       height:300px;
       border:1px solid black;
       margin:auto;
       text-align:center;
       line-height:40px;
       background-image:url(image/17.jpg);
       background-size: 100% 100%;
       background-repeat: no-repeat;
    }
</style>
</head>
<body>
    <%
       request.setCharacterEncoding("UTF-8");
       String id=request.getParameter("cId");
       String cName=request.getParameter("cName");
       String cNum=request.getParameter("cNum");
    %>
    <div>
    	<form action="updateServlet" method="post">
	           班级序号<input type="text" value=<%=id %> name="id"><br>
	   	班级名称<input type="text" value=<%=cName %> name="name"><br>
	   	班级编号<input type="text" value=<%=cNum %> name="num"><br>
	   	<input type="submit" value="提交">
    </form>
    </div>
    
   	
    	
</body>
</html>